Astrobiology has revealed new discoveries about our world and the solar system. Living organisms thrive in harsher environments on Earth than we ever previously imagined. Microbial biodiversity and extremophile life are now known to be ubiquitous and abundant. Beyond Earth, science has identified more than 1,400 exoplanets. That life thrives in multifarious conditions, coupled with these potentially habitable exoplanets and the detection of life-giving elements on numerous moons on asteroids, means we must face the possibility that simple or complex organisms may be discovered beyond Earth. How might we prepare for such a discovery? Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology Steven J. Dick convenes scientists, historians, philosophers and theologians from around the world for a two-day symposium at the Library of Congress to explore how we prepare to face new knowledge that may challenge our very conceptions of life and our place in the universe.

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